Experimentalstudyonconstitutiverelationsforplastic-bondedexplosives

FU Hua; LI Jun-ling; TAN Duo-wang

doi:10.11883/1001-1455(2012)03-0231-06

Volume 32 Issue 3

May 2014

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FU Hua, LI Jun-ling, TAN Duo-wang. Experimentalstudyonconstitutiverelationsforplastic-bondedexplosives[J]. Explosion And Shock Waves, 2012, 32(3): 231-236. doi: 10.11883/1001-1455(2012)03-0231-06

Citation:

FU Hua, LI Jun-ling, TAN Duo-wang. Experimentalstudyonconstitutiverelationsforplastic-bondedexplosives[J]. Explosion And Shock Waves, 2012, 32(3): 231-236. doi: 10.11883/1001-1455(2012)03-0231-06

FU Hua, LI Jun-ling, TAN Duo-wang. Experimentalstudyonconstitutiverelationsforplastic-bondedexplosives[J]. Explosion And Shock Waves, 2012, 32(3): 231-236. doi: 10.11883/1001-1455(2012)03-0231-06

Citation:

FU Hua, LI Jun-ling, TAN Duo-wang. Experimentalstudyonconstitutiverelationsforplastic-bondedexplosives[J]. Explosion And Shock Waves, 2012, 32(3): 231-236. doi: 10.11883/1001-1455(2012)03-0231-06

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Experimentalstudyonconstitutiverelationsforplastic-bondedexplosives

doi: 10.11883/1001-1455(2012)03-0231-06

1.
NationalKeyLaboratoryofShock WaveandDetonationPhysics,
2.
InstituteofFluidPhysics,ChinaAcademyofEngineeringPhysics,

Funds:

NationalNaturalScienceFoundationofChina(10902100)

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Corresponding author: FU Hua
Publish Date: 2012-05-25

Abstract

Abstract

Dynamicuniaxialcompressionandindirecttensile(Brazilian)testswereconductedforcertaintypicalplastic- bondedexplosivesonasplitHopkinsonpressurebar(SHPB),respectively.The stressequilibriumandconstantstrainrateoflowimpedancematerialswereachievedbyusingthe pulseshapertechnique,andthestress-straincurvesoftheplastic-bondedexplosiveswereobtainedby combiningthesemi-conductorstraingaugesandpiezoelectricityquartzgauges.Basedontheexperimentaldataobtained, thephenomenologicalconstitutivemodelforacertainplastic-bondedexplosive wasproposedbymodifyingtheSarginmodel.Thefractureprocessesontheexplosivesamplesurfaces werecapturedbyusingahigh-speedcamerainthedynamicBraziliantestsandthestrainfieldwascalculatedbythedigitalspecklecorrelationmethod. AndthemodifiedJohnson-Cookmodelswereobtainedforthreekindsoftheplastic- bondedexplosives.Theobtainedmodelsareconsistentwiththe experimentaldata.
- solidmechanics,
- constitutivemodel,
- SHPB,
- plastic-bondedexplosives,
- Braziliantest

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